Pro 2200 MX Race (4 Cell) Helmet Mounted Light with Jawbone Mount. The Pro 2200 MX Race Helmet Headlamp features three high-quality LEDs and includes the Pro Series Jawbone MX Mount for a secure, race-ready fit. NiteRider's Patented mounting system locks firmly onto full-face helmets, putting powerful light exactly where you look, so you can spot that trench, hold your corner speed, and flow through every line with confidence. By delivering light farther and wider than bar-mounted headlights alone, the Pro 2200 MX boosts visibility and control when it matters most. Specifications by FL1 Standards: Lumen Output: 2200. Run Time: 1:30 - 25:00 hrs. Charge Time: 5:00 hrs. Battery: 4 Cell Li-Ion | 7.4 Volts | 5200 mAh | 38.48 Wh. 1 Meter Impact Test: Pass / OK. Weight: Head light and Jawbone mount = 228 grams.